Bell & Gossett HS 217D Dura-Stat Thermostatic Module - Manual (Page 2)

2
J
A
B
E
B
B
F
6. Using a 3/4” (19mm) socket wrench (J),
tighten the Dura-Stat module approximately
12 lbf•ft (16 N•m).
7a. Reinstall and tighten the trap cover (A)
on the body (B).
b. Slowly open the steam supply valve.
3a. Using a 5/8” (16mm) socket wrench,
remove and discard the seat (E) from
the trap body (B).
b. Discard the old seat (E).
4. Using a scraper, remove any scale or
debris inside the trap body (B) especially
around the seat area (F). Do not scratch
gasket surface area.
G
H
5. Screw the new Dura-Stat ® thermostatic
module (G) into the threaded port (H)
inside the trap body.